/* ============================================
   MAIN CSS - Quán 32 Thể Trược Game
   ============================================ */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #1a1a2e;
    --secondary-color: #16213e;
    --accent-color: #0f3460;
    --gold-color: #ffd700;
    --success-color: #4caf50;
    --danger-color: #f44336;
    --warning-color: #ff9800;
    --text-light: #ffffff;
    --text-dark: #333333;
    --voxel-green: #7cb342;
    --voxel-brown: #8d6e63;
    --voxel-blue: #42a5f5;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
    color: var(--text-light);
    overflow: hidden;
    height: 100vh;
    width: 100vw;
}

body.simple-mode {
    overflow-y: auto;
    height: auto;
    min-height: 100vh;
    padding-bottom: 60px;
}

/* Loading Screen */
.loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--primary-color);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 10000;
    transition: opacity 0.5s ease;
}

.loading-screen.hidden {
    opacity: 0;
    pointer-events: none;
}

.loading-content {
    text-align: center;
}

.voxel-loader {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    background: var(--voxel-green);
    animation: voxel-pulse 1.5s ease-in-out infinite;
    box-shadow: 0 0 20px rgba(124, 179, 66, 0.5);
}

@keyframes voxel-pulse {
    0%, 100% { transform: scale(1) rotate(0deg); }
    50% { transform: scale(1.2) rotate(180deg); }
}

/* Hidden Class */
.hidden {
    display: none !important;
}

/* Game Container */
#game-container {
    width: 100vw;
    height: 100vh;
    position: relative;
    overflow: hidden;
}

body.simple-mode #game-container {
    height: auto;
    min-height: 100vh;
    overflow: visible;
    padding-top: 60px;
}

/* Canvas */
#game-canvas {
    width: 100%;
    height: 100%;
    display: block;
    cursor: crosshair;
}

/* Top UI Bar */
.top-ui-bar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 80px;
    background: rgba(26, 26, 46, 0.95);
    backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 20px;
    z-index: 1000;
    border-bottom: 2px solid var(--gold-color);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
}

body.simple-mode .top-ui-bar {
    position: sticky;
    left: auto;
    right: auto;
}

.streak-counter {
    display: flex;
    align-items: center;
    gap: 10px;
    background: linear-gradient(135deg, #ff6b6b, #ee5a6f);
    padding: 10px 20px;
    border-radius: 25px;
    box-shadow: 0 4px 15px rgba(255, 107, 107, 0.4);
    animation: streak-glow 2s ease-in-out infinite;
}

@keyframes streak-glow {
    0%, 100% { box-shadow: 0 4px 15px rgba(255, 107, 107, 0.4); }
    50% { box-shadow: 0 4px 25px rgba(255, 107, 107, 0.8); }
}

.streak-icon {
    font-size: 32px;
    animation: fire-flicker 1s ease-in-out infinite;
}

@keyframes fire-flicker {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1) rotate(-5deg); }
}

.streak-number {
    font-size: 36px;
    font-weight: bold;
    color: var(--text-light);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
    animation: number-pulse 0.5s ease-out;
}

@keyframes number-pulse {
    0% { transform: scale(0.5); opacity: 0; }
    50% { transform: scale(1.2); }
    100% { transform: scale(1); opacity: 1; }
}

.streak-label {
    font-size: 14px;
    opacity: 0.9;
}

.user-stats {
    display: flex;
    gap: 30px;
}

.stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.stat-label {
    font-size: 12px;
    opacity: 0.8;
    margin-bottom: 5px;
}

.stat-value {
    font-size: 24px;
    font-weight: bold;
    color: var(--gold-color);
    text-shadow: 0 0 10px rgba(255, 215, 0, 0.5);
}

.user-menu {
    display: flex;
    gap: 10px;
}

.btn-icon {
    width: 45px;
    height: 45px;
    border: none;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    font-size: 20px;
    cursor: pointer;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.btn-icon:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: scale(1.1);
}

/* Side Panel */
.side-panel {
    position: fixed;
    right: -350px;
    top: 80px;
    width: 320px;
    height: calc(100vh - 80px);
    background: rgba(26, 26, 46, 0.95);
    backdrop-filter: blur(10px);
    padding: 20px;
    overflow-y: auto;
    transition: right 0.3s ease;
    z-index: 999;
    border-left: 2px solid var(--gold-color);
    box-shadow: -4px 0 20px rgba(0, 0, 0, 0.5);
}

.side-panel.open {
    right: 0;
}

.side-panel h3 {
    margin-bottom: 20px;
    color: var(--gold-color);
    text-align: center;
    font-size: 24px;
}

.game-buttons {
    display: flex;
    flex-direction: column;
    gap: 15px;
    margin-bottom: 30px;
}

.game-btn {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px;
    background: linear-gradient(135deg, var(--accent-color), var(--secondary-color));
    border: 2px solid var(--gold-color);
    border-radius: 10px;
    color: var(--text-light);
    font-size: 16px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: left;
}

.game-btn:hover {
    transform: translateX(-5px);
    box-shadow: 0 5px 20px rgba(255, 215, 0, 0.3);
    background: linear-gradient(135deg, var(--secondary-color), var(--accent-color));
}

.game-icon {
    font-size: 32px;
}

.leaderboard-section {
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.leaderboard-section h4 {
    margin-bottom: 15px;
    color: var(--gold-color);
}

#leaderboard-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.leaderboard-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
}

.leaderboard-rank {
    font-weight: bold;
    color: var(--gold-color);
    min-width: 30px;
}

.leaderboard-name {
    flex: 1;
}

.leaderboard-streak {
    color: var(--success-color);
    font-weight: bold;
}

/* Bottom UI */
.bottom-ui {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 20px;
    z-index: 1000;
}

.emergency-btn {
    padding: 15px 30px;
    background: linear-gradient(135deg, #f44336, #d32f2f);
    border: none;
    border-radius: 50px;
    color: var(--text-light);
    font-size: 18px;
    font-weight: bold;
    cursor: pointer;
    box-shadow: 0 4px 20px rgba(244, 67, 54, 0.6);
    animation: emergency-pulse 2s ease-in-out infinite;
    transition: all 0.3s ease;
}

@keyframes emergency-pulse {
    0%, 100% { 
        box-shadow: 0 4px 20px rgba(244, 67, 54, 0.6);
        transform: translateX(-50%) scale(1);
    }
    50% { 
        box-shadow: 0 4px 30px rgba(244, 67, 54, 1);
        transform: translateX(-50%) scale(1.05);
    }
}

.emergency-btn:hover {
    transform: translateX(-50%) scale(1.1);
}

.chat-toggle-btn {
    padding: 15px 30px;
    background: linear-gradient(135deg, var(--accent-color), var(--secondary-color));
    border: 2px solid var(--gold-color);
    border-radius: 50px;
    color: var(--text-light);
    font-size: 18px;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
}

.chat-toggle-btn:hover {
    background: linear-gradient(135deg, var(--secondary-color), var(--accent-color));
    transform: scale(1.05);
}

/* Modal Styles */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 10000;
    backdrop-filter: blur(5px);
}

.modal.hidden {
    display: none;
}

.modal-content {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    padding: 30px;
    border-radius: 20px;
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    border: 3px solid var(--gold-color);
    box-shadow: 0 10px 50px rgba(0, 0, 0, 0.5);
    position: relative;
}

.close-modal {
    position: absolute;
    top: 15px;
    right: 20px;
    font-size: 32px;
    cursor: pointer;
    color: var(--text-light);
    transition: all 0.3s ease;
}

.close-modal:hover {
    color: var(--gold-color);
    transform: rotate(90deg);
}

.modal-content h2 {
    margin-bottom: 20px;
    color: var(--gold-color);
    text-align: center;
}

/* Auth Forms */
#auth-tabs {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
}

.tab-btn {
    flex: 1;
    padding: 10px;
    background: rgba(255, 255, 255, 0.1);
    border: 2px solid transparent;
    border-radius: 8px;
    color: var(--text-light);
    cursor: pointer;
    transition: all 0.3s ease;
}

.tab-btn.active {
    background: var(--accent-color);
    border-color: var(--gold-color);
}

.auth-form {
    display: none;
}

.auth-form.active {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.auth-form input {
    padding: 12px;
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-light);
    font-size: 16px;
}

.auth-form input:focus {
    outline: none;
    border-color: var(--gold-color);
    background: rgba(255, 255, 255, 0.15);
}

.btn-primary {
    padding: 12px 24px;
    background: linear-gradient(135deg, var(--accent-color), var(--secondary-color));
    border: 2px solid var(--gold-color);
    border-radius: 8px;
    color: var(--text-light);
    font-size: 16px;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-primary:hover {
    transform: scale(1.05);
    box-shadow: 0 5px 20px rgba(255, 215, 0, 0.3);
}

.btn-google {
    padding: 12px 24px;
    background: #4285f4;
    border: none;
    border-radius: 8px;
    color: var(--text-light);
    font-size: 16px;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-google:hover {
    background: #357ae8;
    transform: scale(1.05);
}

.error-message {
    color: var(--danger-color);
    font-size: 14px;
    margin-top: 10px;
    text-align: center;
}

/* Responsive */
@media (max-width: 768px) {
    .top-ui-bar {
        height: 60px;
        padding: 0 10px;
    }
    
    .streak-number {
        font-size: 24px;
    }
    
    .user-stats {
        gap: 15px;
    }
    
    .stat-value {
        font-size: 18px;
    }
    
    .side-panel {
        width: 100%;
        right: -100%;
    }
    
    .bottom-ui {
        flex-direction: column;
        align-items: center;
    }
    
    .emergency-btn,
    .chat-toggle-btn {
        width: 90%;
        max-width: 300px;
    }
}